Conduction modulation of solution-processed two-dimensional materials
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arXiv
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866913242835582976 |
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| author | Liu, Songwei Fan, Xiaoyue Wen, Yingyi Liu, Pengyu Liu, Yang Pei, Jingfang Yang, Wenchen Song, Lekai Pan, Danmei Ma, Teng Lin, Yue Wang, Gang Hu, Guohua |
| author_facet | Liu, Songwei Fan, Xiaoyue Wen, Yingyi Liu, Pengyu Liu, Yang Pei, Jingfang Yang, Wenchen Song, Lekai Pan, Danmei Ma, Teng Lin, Yue Wang, Gang Hu, Guohua |
| contents | Solution-processed two-dimensional (2D) materials hold promise for their scalable applications. However, the random, fragmented nature of the solution-processed nanoflakes and the poor percolative conduction through their discrete networks limit the performance of the enabled devices. To overcome the problem, we report conduction modulation of the solution-processed 2D materials via the Stark effect. Using liquid-phase exfoliated molybdenum disulfide (MoS2) as an example, we demonstrate nonlinear conduction modulation with a switching ratio of >105 by the local fields from the interfacial ferroelectric P(VDF-TrFE). Through density-functional theory calculations and in situ Raman scattering and photoluminescence spectroscopic analysis, we understand the modulation arises from a charge redistribution in the solution-processed MoS2. Beyond MoS2, we show the modulation may be viable for the other solution-processed 2D materials and low-dimensional materials. The effective modulation can open their electronic device applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2309_03609 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Conduction modulation of solution-processed two-dimensional materials Liu, Songwei Fan, Xiaoyue Wen, Yingyi Liu, Pengyu Liu, Yang Pei, Jingfang Yang, Wenchen Song, Lekai Pan, Danmei Ma, Teng Lin, Yue Wang, Gang Hu, Guohua Applied Physics Materials Science Solution-processed two-dimensional (2D) materials hold promise for their scalable applications. However, the random, fragmented nature of the solution-processed nanoflakes and the poor percolative conduction through their discrete networks limit the performance of the enabled devices. To overcome the problem, we report conduction modulation of the solution-processed 2D materials via the Stark effect. Using liquid-phase exfoliated molybdenum disulfide (MoS2) as an example, we demonstrate nonlinear conduction modulation with a switching ratio of >105 by the local fields from the interfacial ferroelectric P(VDF-TrFE). Through density-functional theory calculations and in situ Raman scattering and photoluminescence spectroscopic analysis, we understand the modulation arises from a charge redistribution in the solution-processed MoS2. Beyond MoS2, we show the modulation may be viable for the other solution-processed 2D materials and low-dimensional materials. The effective modulation can open their electronic device applications. |
| title | Conduction modulation of solution-processed two-dimensional materials |
| topic | Applied Physics Materials Science |
| url | https://arxiv.org/abs/2309.03609 |